This article was downloaded by: [UPVA Universidad Politecnica de], [Juan A. MarinGarcía] On: 19 July 2011, At: 10:56 Publisher: Routledge Informa Ltd Registered in England and Wales Registered Number: 1072954 Registered office: Mortimer House, 37-41 Mortimer Street, London W1T 3JH, UK The Service Industries Journal Publication details, including instructions for authors and subscription information: http://www.tandfonline.com/loi/fsij20 Exploring working conditions as determinants of job satisfaction: an empirical test among Catalonia service workers a b Juan A. Marin-García , Tomas Bonavia & Josep Maria Losilla c a ROGLE- Dept. Organización de Empresas, Universidad Politécnica de Valencia, Valencia, Spain b Department de Psicología Social, Universitat de Valencia, Valencia, Spain c Department de Psicobiologia i de Metodologia de les CC. de la Salut, Universitat Autònoma de Barcelona, Barcelona, Spain Available online: 19 Jul 2011 To cite this article: Juan A. Marin-García, Tomas Bonavia & Josep Maria Losilla (2011): Exploring working conditions as determinants of job satisfaction: an empirical test among Catalonia service workers, The Service Industries Journal, 31:12, 2051-2066 To link to this article: http://dx.doi.org/10.1080/02642069.2011.559226 PLEASE SCROLL DOWN FOR ARTICLE Full terms and conditions of use: http://www.tandfonline.com/page/terms-andconditions This article may be used for research, teaching and private study purposes. Any substantial or systematic reproduction, re-distribution, re-selling, loan, sub-licensing, systematic supply or distribution in any form to anyone is expressly forbidden. The publisher does not give any warranty express or implied or make any representation that the contents will be complete or accurate or up to date. The accuracy of any instructions, formulae and drug doses should be independently verified with primary sources. The publisher shall not be liable for any loss, actions, claims, proceedings, Downloaded by [UPVA Universidad Politecnica de], [Juan A. Marin-García] at 10:56 19 July 2011 demand or costs or damages whatsoever or howsoever caused arising directly or indirectly in connection with or arising out of the use of this material. The Service Industries Journal Vol. 31, No. 12, Septemper 2011, 2051 –2066 Exploring working conditions as determinants of job satisfaction: an empirical test among Catalonia service workers Downloaded by [UPVA Universidad Politecnica de], [Juan A. Marin-García] at 10:56 19 July 2011 Juan A. Marin-Garcı́aa∗ , Tomas Bonaviab and Josep Maria Losillac a ROGLE- Dept. Organización de Empresas, Universidad Politécnica de Valencia, Valencia, Spain; b Department de Psicologı́a Social, Universitat de Valencia, Valencia, Spain; cDepartment de Psicobiologia i de Metodologia de les CC. de la Salut, Universitat Autònoma de Barcelona, Barcelona, Spain (Received 12 July 2010; final version received 26 January 2011) Job satisfaction is particularly important in the service industries since it involves direct contact with customers and thus has a direct influence on company performance. This paper analyses the impact of 10 working conditions on job satisfaction by means of structural equation modeling in a representative stratified random sample of 1553 service sector employees in Catalonia, Spain. Significant effects in social aspects (recognition of a job well done and social support) were found, followed by psychological loads (emotional demands and job insecurity) and by task contents (development and meaning, and predictability). These variables explained 50% of the variance in job satisfaction. Keywords: working conditions; job satisfaction; service sector; structural equation modeling; job characteristics; service workers Introduction The work environment of the majority of current occupations in developed countries is characterized by an increase in complexity, more team work, polyvalence, decentralized decision making, the use of sophisticated technology, growth in competition, and the necessity to reduce costs (Noblet, Teo, McWilliams, & Rodwell, 2005; Tortosa-Edo, Sanchez-Garcia, & Moliner-Tena, 2010; Tummers, Landeweerd, & Van Merode, 2002). These factors generate an increase in the psychological pressure created in the workplace (de Jonge et al., 2001; Tummers et al., 2002). The psychosocial factors are determined by the specific characteristics of the job (work organization, demands, task content, and social aspects) that determine the conditions of the working environment and have the ability to affect the wellbeing of the worker as much as the progress of the work in hand (Martı́n Garcı́a, Luceño Moreno, Jaén Dı́az, & Rubio Valdehita, 2007; Tummers et al., 2002). In fact, psychosocial factors are becoming more important as an explanatory variable of worker wellbeing than physical work requirements (Morrison, Cordery, Girardi, & Payne, 2005; Noblet et al., 2005; Shiu & Yu, 2010). The service sector is now an important part of the economy, both in terms of turnover as well as in the number of people it employs (Lee, Olson, Lee, Hwang, & Shin, 2008; Li, Yang, & Wu, 2008). In this type of company, in which the employee/customer relationship (either face-to-face or via technology) is increasingly important, the relationship between working conditions and job satisfaction is more marked than in other sectors ∗ Corresponding author. Email: jamarin@omp.upv.es ISSN 0264-2069 print/ISSN 1743-9507 online # 2011 Taylor & Francis DOI: 10.1080/02642069.2011.559226 http://www.informaworld.com Downloaded by [UPVA Universidad Politecnica de], [Juan A. Marin-García] at 10:56 19 July 2011 2052 J.A. Marin-Garcia et al. (Al Juhani & Kishk, 2006; Paulin, Ferguson, & Bergeron, 2006; Tummers et al., 2002). Within the service sector, a positive association has been found between job satisfaction and company efficiency (Brown & Lam, 2008; Chen & Chen, 2008; Coelho, Augusto, Coelho, & Sa, 2010; Ekinci & Dawes, 2009; Iglesias, 2009; Li et al., 2008; Noblet et al., 2005). The objective of this paper was therefore to study working conditions in the service sector (demands, job insecurity, influence, development and meaning, social support, role clarity, quality of leadership, predictability, and esteem) and to examine their relative and joint effects on job satisfaction. In this study, we used quite a large representative stratified random sample (N ¼ 1553) consisting of service workers from Catalonia, Spain. An additional motive was to adapt for the service sector previously used broad models that had combined data from construction, service, and industry (Kil, Leffelsend, & Metz-Gockel, 2000; Pires, Sarkar, & Carvalho, 2008). This study extends previous lines of investigation published in the literature in a relatively under-investigated field (Tummers et al., 2002). The relationship between working conditions and job satisfaction is now thought to be more complicated than has been indicated in the literature (Morrison et al., 2005). Also, further studies with sizeable heterogeneous sample groups (multiple companies with different activities) are necessary to simultaneously incorporate different independent variables (Schyns & Croon, 2006). In our study, we used a heterogeneous representative transversal sample of a population that had not been previously analyzed in this way, which gives strength to the replication and assessment of models (Brown & Lam, 2008; de Jonge et al., 2001; Roelen, Koopmans, & Groothoff, 2008; Schyns & Croon, 2006). Our sample size also allowed us to increase the number of explanatory variables and to apply a rigorous methodology (structural equation modeling) (ter Doest & de Jonge, 2006; Karsh, Booske, & Sainfort, 2005; Roelen et al., 2008; Tummers, Van Merode, & Landeweerd, 2006). We believe that our project also has a practical interest, in that it can be used by companies to design and adapt jobs (Brown & Lam, 2008; Chen & Chen, 2008) and thus provides service sector managers with information that could help them to prioritize those changes with the most positive impact on improving job satisfaction. Satisfaction at work Satisfaction in the workplace can be defined as a positive emotional orientation toward work. It is the result of the perception that the task undertaken is consistent with the values of workers and contributes to the satisfaction of their personal needs (Al Juhani & Kishk, 2006; Brown & Lam, 2008; Hackman & Oldham, 1980; Noblet et al., 2005). When it comes to establishing an operative definition for this concept, various strategies have been used. Some authors have considered it in terms of a global factor, while others have separated it into different job facets, such as intrinsic, extrinsic, salary, interpersonal relationships, development, etc. (Al Juhani & Kishk, 2006; Brough, 2005; Brown & Lam, 2008). In the recent literature on job satisfaction, there is abundant evidence that this variable contributes to improving both worker performance and company results (Hsu & Wang, 2008; Hung & Wong, 2007; Ritter & Anker, 2002; Snipes, Oswald, LaTour, & Armenakis, 2005; Taris, Schreurs, Eikmans, & van Riet, 2008; Tian & Pu, 2008), especially in the service sector (Brown & Lam, 2008; Kuo, 2007; Li et al., 2008; Lim, Ribeiro, & Lee, 2008; Linz, 2003; Love, Irani, Standing, & Themistocleous, 2007; Noblet et al., 2005; Scott, Gravelle, Simoens, Bojke, & Sibbald, 2006; Shiu & Yu, 2010). Other studies The Service Industries Journal 2053 Downloaded by [UPVA Universidad Politecnica de], [Juan A. Marin-García] at 10:56 19 July 2011 consider satisfaction as a dependent variable which is expressed in terms of specific conditions in the organizational context. However, a considerable amount of work remains to be done before researchers can propose, or validate, realistic and complete models of the way that workers experience work conditions and how this affects their level of satisfaction (Hsu & Wang, 2008; Petrescu & Simmons, 2008). Working conditions A job consists of one or more functions (each function comprised a group of tasks or activities) undertaken by a person in a company at a given time (Cascio, 1989), with certain characteristics and is influenced by a number of psychosocial factors (De Rijk, Nijhuis, & Alexanderson, 2009; ter Doest & de Jonge, 2006; Hackman & Oldham, 1980; Houkes, Janssen, de Jonge, & Bakker, 2003; de Jonge et al., 2001; Karatepe & Kilic, 2009; Love et al., 2007; Noblet, Graffam, & McWilliams, 2008; Schyns & Croon, 2006; Sparr & Sonnentag, 2008; Thompson & Prottas, 2006; Tummers et al., 2002; Van den Broeck, Vansteenkiste, De Witte, & Lens, 2008; Yang, 2009). For workers to perform at their maximum level, it is necessary that they should have or acquire the knowledge, abilities, and aptitudes necessary for the completion of the tasks in hand. However, it is also necessary that their personality, interests, and desires fit in with the characteristics of the work in such a way that they experience meaning and they get satisfaction from the job they are doing (de Jong, van der Velde, & Jansen, 2001). The most frequently studied variables in the literature are psychological demands, influence, and social support (Hackman & Oldham, 1980; Karasek et al., 1998; Love et al., 2007; Morrison et al., 2005; Schyns & Croon, 2006; Tummers et al., 2002). Psychological demands (certain authors have named this ‘workload’) are an indicator of the difficulty of the task in relation to the mental or emotional load, work speed or overload, but does not take into account physical loads, risks, or ergonomics. Influence (certain authors refer to it as ‘control’, autonomy, or active work) refers to the fact that workers are able to decide certain questions on their own. Social support refers to all possible levels of social relations at work, with both colleagues and superiors. In general, it is considered that psychological demands are negatively associated with job satisfaction, while the ability to influence one’s job and social relationships are aspects that contribute to job satisfaction (Karsh et al., 2005; Noblet et al., 2005; Tummers et al., 2002). However, it is still necessary to increase the number of explanatory variables to consider the realities of the modern workplace and roles (Morrison et al., 2005), and to clarify the degree to which each job characteristic relates to satisfaction levels (de Jonge et al., 2001). In relation to this, other working conditions used in previous research, albeit with lower frequency, are: job insecurity, the meaning of the tasks undertaken, role clarity, quality of leadership, predictability, and recognition of a job well done (Hsu & Wang, 2008; Karasek et al., 1998; Moncada Lluis, Llorens Serrano, Font Corominas, Galtes Camps, & Navarro Gine, 2008; Tummers et al., 2002; Uppal, 2005; Wakkee, Elfring & Monaghan, 2008). Objectives and hypothesis The purpose of this paper is to establish a framework that allows us to understand how service sector working conditions can be used to reinforce job satisfaction. To this end, we have set out the model we intend to test in Figure 1. This model integrates the contributions of various studies commented in the theoretical framework (Hsu & Downloaded by [UPVA Universidad Politecnica de], [Juan A. Marin-García] at 10:56 19 July 2011 2054 J.A. Marin-Garcia et al. Figure 1. Integrating model of the effect of working conditions on job satisfaction. Wang, 2008; Karsh et al., 2005; Kristensen, Hannerz, Hogh, & Borg, 2005; Moncada Lluis et al., 2008; Moncada, Llorens, Navarro, & Kristensen, 2005; Tummers et al., 2002). We can summarize this model with the following hypothesis: H1: Quantitative demands have a negative effect on job satisfaction. This factor is defined as the relationship between work demands and the availability of time to cope with the work to be done. If there is not enough time, the demands present themselves as a fast work pace, the impossibility of completing the task in hand, or the accumulation of work, and can also be related to the irregular time distribution of tasks. The Service Industries Journal 2055 As previous research has shown (de Jonge et al., 2001; Sanchis-Palacios & Ribeiro, 2010; Van den Broeck et al., 2008; Yu, Gu, Zhou, & Wang, 2008), quantitative demands have a significant negative impact on job satisfaction. Downloaded by [UPVA Universidad Politecnica de], [Juan A. Marin-García] at 10:56 19 July 2011 H2: Emotional demands have a negative effect on job satisfaction. This type of demand affects our feelings and hence we need to keep them hidden in the workplace. This situation frequently occurs when services are offered to the public in which only professional abilities are exercised and personal feelings are left to one side. Previous research shows that emotional demands have a significant negative impact on job satisfaction (de Jonge et al., 2001; Sanchis-Palacios & Ribeiro, 2010; Van den Broeck et al., 2008; Yu et al., 2008). H3: Job insecurity has a negative effect on job satisfaction. It refers to contractual insecurity (the fear of losing one’s job) and insecurity surrounding other conditions at work. There is evidence that working under contract for a limited time rather than in a permanent position has a strong impact on job satisfaction. Likewise, the insecurity surrounding other conditions at work (changes in shift patterns, salary, or career path) are negatively correlated with job satisfaction (Janus, Amelung, Gaitanides, & Schwartz, 2007; Martı́nez Navarro, 2008; Moncada Lluis et al., 2008; Zarafshani & Alibaygi, 2009). H4: Influence has a positive effect on job satisfaction. This factor is defined as the extent of the control that workers have over their jobs: sequence, amount of work, methods to be used, and tasks to be undertaken. A positive relationship appears in the research between job satisfaction and influence (Chen & Chen, 2008; ter Doest & de Jonge, 2006; de Jong et al., 2001; Petrescu & Simmons, 2008; Roelen et al., 2008; Thompson & Prottas, 2006; Tummers et al., 2002). H5: Development and meaning has a positive effect on job satisfaction. This refers to the evaluation of whether a job provides opportunities for the development of personal abilities and knowledge and whether workers can relate their work role to their values or end results other than simply utilitarian ones (to have one’s time occupied and to obtain a reward for work completed). Between these two variables (which we deal with as if they were only one), the ability for personal development probably has the most weight (Chen & Chen, 2008; de Jong et al., 2001; Kuokkanen, Suominen, Harkonen, Kukkurainen, & Doran, 2009), but the meaning of work has also found support in the literature (Ritter & Anker, 2002). H6: Social support has a positive effect on job satisfaction. This variable is defined as the possibility of being able to have social relationships in the workplace and to receive whatever help is necessary at any given moment from either colleagues or superiors. Significant relationships have been found in this area between managers and staff support and job satisfaction (de Jonge et al., 2001; Noblet et al., 2005; Schyns & Croon, 2006; Van den Broeck et al., 2008; Wakkee et al., 2008). H7: Role clarity has a positive effect on job satisfaction. This factor has to do with clearly defined job descriptions: limits, objectives, tasks to be undertaken, and expectations. Tummers et al. (2002), Karsh et al. (2005), Sakires, Doherty, and Misener (2009), and Albion, Fogarty, Machin, and Patrick (2008) found this effect in their studies. H8: Quality of leadership has a positive effect on job satisfaction. 2056 J.A. Marin-Garcia et al. Downloaded by [UPVA Universidad Politecnica de], [Juan A. Marin-García] at 10:56 19 July 2011 This variable refers to the extent that managers plan work well in advance and maintain good communications with employees. Several authors have found the effect of this variable on job satisfaction (Choi, Seo, Scott, & Martin, 2010; Gonzalez & Garazo, 2006; Lopez-Cabarcos, Vazquez-Rodriguez, & Montes-Pineiro, 2010; Moncada et al., 2010; Moncada, Llorens, & Kristensen, 2004; Rooney, Gottlieb, & Newby-Clark, 2009; Sellgren, Ekvall, & Tomson, 2008; Shiu & Yu, 2010; Skakon, Nielsen, Borg, & Guzman, 2010). H9: Predictability has a positive effect on job satisfaction. This refers to the availability of appropriate, sufficient, and timely information to adapt to any changes that may affect work. Moncada et al. (2004), Mohr and Wolfram (2010), and Stetz, Castro, and Bliese (2007) found evidence for this effect. H10: Esteem has a positive effect on job satisfaction. This factor is defined as the recognition of a job well done. Van den Broeck et al. (2008), Linz (2003), Stocker, Jacobshagen, Semmer, and Annen (2010), and Srivastava and Rangarajan (2008) obtained significant effects for this variable on job satisfaction. Methodology Study sample The data analyzed comes from ‘The First Survey of Working Conditions in Catalonia’ (Martı́nez Navarro, 2008). The target population consisted of all service sector employees in Catalonia affiliated to groups of more than one person in the National Insurance System (1,370,369 people). A stratified random sampling by company size (four levels), gender (two strata), and activity sector (four strata) was applied. The sample size was fixed at 1553 persons. The questionnaire was answered by workers via an interview at their home, with reference to the job they were doing at the time of the interview. In those cases where the employee was not at home, or refused to participate, s/he was substituted by another person from the same sector, similar company size, and gender. The global sample error was 1.8%, with values between 4.7 and 5.4% for the activity subsector, between 2.8 and 5.6% for company size, and between 2.4 and 2.7% for gender (Martı́nez Navarro, 2008). The study sample can, therefore, be considered as high quality and representative of the entire population of service workers. The demographic characteristics of the study sample are given in Table 1. Measurements The questionnaire contains 64 questions and can be answered fully in approximately 30 min. For the purposes of this paper, we will use only the 34 variables relating to working conditions and job satisfaction. The complete questionnaire can be consulted in Martı́nez Navarro (2008). Job satisfaction was measured by only one item (‘In general, to what degree do you feel satisfied by your working conditions?’), with four response levels (1, very satisfied; 2, satisfied; 3, dissatisfied; 4, very dissatisfied). The strategy of measuring the global satisfaction level by only one item has previously been used in different studies (Hsu & Wang, 2008; de Jonge et al., 2001; Petrescu & Simmons, 2008; Roelen et al., 2008) and is considered to be equally valid and reliable as the measurement of job satisfaction by scales (Brown & Lam, 2008). The Service Industries Journal 2057 Downloaded by [UPVA Universidad Politecnica de], [Juan A. Marin-García] at 10:56 19 July 2011 Table 1. Demographic characteristics of study sample. N (%) Sample error (%) Gender Male Female 620 (39.9) 933 (60.1) 2.4 2.7 Age 16– 24 25– 34 35– 44 45– 54 55– 64 .64 213 (13.7) 507 (32.6) 329 (21.2) 322 (20.7) 173 (11.1) 9 (0.6) Company size ,6 6–49 50– 249 .249 190 542 323 498 (12.2) (34.9) (20.8) (32.1) 5.6 2.8 3.7 3.5 Activity sector Public administration/Banking∗ Commerce/Catering trade† Social services‡ Other services} 339 455 347 412 (21.8) (29.3) (22.3) (26.5) 5.4 4.7 5.4 4.9 ∗ Public † administration, defense department, social security, banking and finance, insurance companies. Wholesale and retail trade, catering/hotel management trade. ‡ Research, education, health and social services and associated activities. } Travel, transport, post office, telecommunications, environmental and industrial cleaning, sport and leisure. Working conditions were measured in the Catalonian survey by the questionnaire PSQ CAT21-COPSOQ, the short-format version in Catalan language of CoPsoQ (‘Copenhagen Psychosocial Questionarie’; Kristensen et al., 2005; Moncada et al., 2005). All the items of the working conditions constructs had five response categories: ‘5, always/often/sometimes/rarely/1, never’. The items were grouped into 10 factors representative of the dimensions of the working conditions (see Table 2). Analysis A full latent structural model (Byrne, 2006) with maximum likelihood method was used for parameter estimation with structural equations programme (EQS; Bentler, 2002; Ullman & Bentler, 2004). Job satisfaction was introduced as a latent variable with a single-item indicator setting unstandardized variance error to non-zero value (standard deviation2 × (1 2 worst a Cronbach of other constructs)), considering that this indicator seems unlikely to perfectly estimate the construct (Anderson & Gerbing, 1988; Brown, 2006). Furthermore, the analyses were adjusted for gender, age, and company size (ter Doest & de Jonge, 2006; Van den Broeck et al., 2008). Since these adjustments did not improve the accuracy of the results, we report results only from the final model without these variables. We used several parameters to assess the goodness-of-fit of the model: normed x2 , 5; CFI (comparative fit index) .0.90; GFI (Lisrel fit indice) .0.85; and RMSEA (rootmean-square error of approximation) ,0.08 (Hair, Anderson, Tatham, & Black, 1999; Spreitzer, 1995; Tari, Molina, & Castejón, 2007; Ullman & Bentler, 2004). We will Item Description Cronbach’s a Quantitative demands 34.a Do you have to work very fast? 34.b Is your workload unevenly distributed so it piles up? 34.cInv How often do you not have time to complete all your work tasks? 0.51 Emotional demands 34.d 34.e 34.f Does your work require that you hide your feelings? Is it hard for you to forget the problems of your work? Is your work emotionally demanding? 0.71 Job insecurity 40.a 40.b 40.c 40.d Are Are Are Are 0.78 Influence at work 35.a 35.b 35.c 35.d 35.e Can you influence the amount of work assigned to you? Is it your opinion taken into account when the boss assigns you your work? Can you influence the order in which you perform your tasks? Can you decide when to take a break? If you have a personal or family matter to attend to, can you leave your place of work for at least an hour without having to ask special permission? 0.71 Development & Meaning 36.a 36.b 36.c 36.d 36.e Does your work require you to take the initiative? Do you have the possibility of learning new things through your work? Do you feel committed to your work? Is your work meaningful? Do you enjoy telling others about your place of work? 0.77 Social support 38.a 38.b 38.cInv 38.d How often do you get help and support from your colleagues? How often do you get help and support from your immediate superior? Is your workplace not isolated from your peers? Do you feel part of a community at your place of work? 0.76 Role clarity 37.a 37.b Do you know exactly what degree of autonomy you have in your work? Do you know exactly which areas are your responsibilities? 0.55 Quality of leadership 38.e 38.f To what extent would you say that your immediate superior is good at work planning? To what extent would you say that your immediate superior communicate well with workers? 0.77 Predictability 37.c 37.d At your place of work, are you informed well in advance concerning changes for the future? Do you receive all the information you need in order to do your work well? 0.74 Esteem 39.a 39.b 39.c Do your superiors give you the recognition you deserve? In difficult situations, do you get the necessary support from your superiors? If you think about all the work and effort you have made, do you think you receive proper recognition for your work? 0.88 you worried you worried you worried you worried about about about about it being difficult for you to find another job if you became unemployed? being transferred to another job against your will? your working hours being changed against your will? your salary being changed? Note: Item numbers ending with ‘Inv’ were reverse coded. J.A. Marin-Garcia et al. Downloaded by [UPVA Universidad Politecnica de], [Juan A. Marin-García] at 10:56 19 July 2011 Factor 2058 Table 2. Working condition factors (Moncada et al., 2004, 2005; Nübling, Stössel, Hasselhorn, Michaelis, & Hofmann, 2006). The Service Industries Journal 2059 Table 3. Correlation between constructs. Downloaded by [UPVA Universidad Politecnica de], [Juan A. Marin-García] at 10:56 19 July 2011 (1) (1) Quantitative demands (2) Emotional demands (3) Job insecurity (4) Influence at work (5) Development & Meaning (6) Social support (7) Role clarity (8) Quality of leadership (9) Predictability (10) Esteem (11) Job satisfaction ∗∗ (2) (3) (4) – 0.00 – (5) (6) (7) (8) (9) (10) – 0.42∗∗ – 0.00 20.22∗∗ 0.18∗∗ 0.02 20.22∗∗ 0.15∗∗ 20.04 0.58∗∗ – 20.21∗∗ 20.16∗∗ 20.26∗∗ 0.30∗∗ 0.40∗∗ – – 20.18∗∗ 20.18∗∗ 20.20∗∗ 0.39∗∗ 0.47∗∗ 0.38∗∗ 20.41∗∗ 20.32∗∗ 20.05 0.35∗∗ 0.46∗∗ 0.58∗∗ 0.41∗∗ – – 20.44∗∗ 20.34∗∗ 20.23∗∗ 0.33∗∗ 0.35∗∗ 0.51∗∗ 0.61∗∗ 0.72∗∗ – 20.36∗∗ 20.33∗∗ 20.16∗∗ 0.45∗∗ 0.45∗∗ 0.46∗∗ 0.37∗∗ 0.74∗∗ 0.58∗∗ 20.38∗∗ 20.33∗∗ 20.21∗∗ 0.33∗∗ 0.39∗∗ 0.46∗∗ 0.31∗∗ 0.57∗∗ 0.53∗∗ 0.65∗∗ 1%. also check that the values of Cronbach’s a of each construct are greater than 0.6 (Hair et al., 1999; Lin, 2006). Results A preliminary step in the analysis of the full latent structural model is to first test for the validity of the measurement model (Bagozzi, 1994; Byrne, 2006; Hair et al., 1999; Hogan & Martell, 1987). The values for goodness-of-fit of each of the constructs are adequate. The Cronbach a of all factors but role clarity and quantitative demands are greater than the recommended cut-off value (see Table 2). Most of the correlations between working conditions were low or moderate but significant (see Table 3). After checking the validity of the measurement model, the relationship between working conditions and job satisfaction was evaluated using the full latent structural model (Figure 1). The correlations between the explanatory variables were included in the full latent structural model but are not showed in Figure 2 for clarity (see Table 3). We can globally consider it as a good fit (normed x2 ¼ 3.62; CFI ¼ 0.88; GFI ¼ 0.89; and RMSEA , 0.042). All observed variables had significant loadings ranging from 0.31 to 0.88 (p , 0.001) on their latent factor. A reliable measurement model was thus obtained. Working conditions together explain nearly 50% of the variance in job satisfaction. The positive and significant effects on job satisfaction are esteem (0.40), predictability (0.17), development and meaning (0.15), and social support (0.13). Emotional demands (20.13) and job insecurity (20.06) have a negative significant effect. In our global service sample, quantitative demands, role clarity, influence, and quality of leadership have no significant effects (see Figure 2). Discussion Regarding our first three hypothesis, the previously published investigation had identified the negative impact of psychological loads (emotional demands, job insecurity, and quantitative demands) on job satisfaction. The correlation values showed in previous literature Downloaded by [UPVA Universidad Politecnica de], [Juan A. Marin-García] at 10:56 19 July 2011 2060 J.A. Marin-Garcia et al. Figure 2. Full latent structural model of the relationships between working conditions on job satisfaction. The correlations between the explanatory variables are included in the model but are not showed in the figure for clarity. Coefficients represent standardized estimates. Significance for effects in the structural model: +10%; ∗ 5%; ∗∗ 1%. are between 20.13 and 20.30 (Brough, 2005; ter Doest & de Jonge, 2006; Moncada Lluis et al., 2008; Thompson & Prottas, 2006; Tummers et al., 2002; Van den Broeck et al., 2008). Our correlation data are in line with previous research. The structural model reinforces these results and identifies negative and significant effects from emotional demands and job insecurity on job satisfaction. However, it fails to find effects from quantitative demands. This may be due to the lack of internal consistency of the scale used, and it is suggested to analyze in detail this scale in future research, for example, by reformulating the item V34.cInv or by adding new items. On the other hand, influence on decisions has been positively correlated with job satisfaction in various papers, with significant values between 0.18 and 0.34 (ter Doest & de Jonge, 2006; de Jong et al., 2001; Thompson & Prottas, 2006; Tummers et al., 2002; Van den Broeck et al., 2008). The correlation value obtained in our sample (0.33) is more or less in line with these results. However, in the structural model, the effect did not appear to be significant, coinciding with Linz (2003), but disagreeing with the results of other studies, in which it was found to be significant (Petrescu & Simmons, 2008; Thompson & Prottas, 2006). This result rejects our H4. It is possible that, as indicated by Schyns and Croon (2006), the tasks in end-workers of some services are not especially motivating or attractive, nor can they be easily enriched by adding influence. Downloaded by [UPVA Universidad Politecnica de], [Juan A. Marin-García] at 10:56 19 July 2011 The Service Industries Journal 2061 Social support is another factor that is well referenced in the literature. Its correlation with job satisfaction appears to be clear, with values between 0.31 and 0.53 (ter Doest & de Jonge, 2006; de Jong et al., 2001; Schyns & Croon, 2006; Thompson & Prottas, 2006; Tummers et al., 2002). Our work supports the findings of previous papers, confirming the positive, significant correlation (0.46), as well as the significant effect in the structural model. H7 is another rejected hypothesis which appears to be significant in other papers (Karsh et al., 2005; Tummers et al., 2002), but is not seen to be significant in ours. One of the reasons would be the low reliability of the scale, like in H1 rejection. But also, Nielsen and Cleal (2010) have been found that role clarity does not to predict satisfaction at work. It could be thought surprisingly that quality of leadership was not seen to be significant in the structural model (rejecting our hypothesis 8), despite having a moderate correlation with job satisfaction (0.57). Boshoff and Mels (1995) found that the main aspects of quality of leadership (initiating structure or consideration) does not directly influence satisfaction, but does so indirectly by reducing role conflict. Therefore, it is recommended for future research to analyze models including some of our variables as mediating variables (Cicero, Pierro, & van Knippenberg, 2010; Lopez-Cabarcos et al., 2010). The correlations we obtained between job satisfaction and development and meaning (0.39), or esteem (0.65) are in line with those obtained by Van den Broeck et al. (2008). We also found high correlations of predictability (0.53) (Zacharatos, Hershcovis, Turner, & Barling, 2007). Their effects on job satisfaction have also been seen to be significant in the structural model (Linz, 2003). Our findings support previous research regarding the relationship between esteem and satisfaction generalizing the results obtained in armed forces (Stocker et al., 2010) or sales forces (Srivastava & Rangarajan, 2008) in other industries. To sum up, hypotheses H2, H3, H5, H6, H9, and H10 were confirmed with our data. In our study, the working conditions that most affect job satisfaction appear to be concentrated in social aspects (esteem and social support), followed by psychological loads (emotional demands and job insecurity) and, to a lesser extent but still with significant effects, by task contents (development and meaning and predictability). Our results thus appear to be in line with those of various other authors (Noblet et al., 2005; Schyns & Croon, 2006; Tummers et al., 2002; Uppal, 2005). Lastly, the explained variance of our model (50%), is in line with previous published research, such as 54% in Roelen et al. (2008) or the 53% of Karsh et al. (2005), both of which used samples of only one occupational subsector, and goes beyond Thompson and Prottas (2006), where the job characteristics explain the 33% variance in satisfaction. On the other hand, in those papers where the relationships between working conditions and employees’ psychological reactions (such as job satisfaction, for example) are analyzed, the variance explained by the models tends to be low. This is due to the fact that the variance of the dependent variable is not excessive, meaning we are therefore dealing with a sample with a high level of job satisfaction (Tummers et al., 2006). Other lines of research suggested by our findings would be: (1) to check whether the effect of working conditions on job satisfaction, as shown by workers in the service sector, is replicated in other representative samples of employees in industrial or construction settings; (2) to analyze the effect of organizational characteristics as a mediator or moderator in the relationships between working conditions and satisfaction, and to analyze models of mediation between working conditions to detect direct and indirect effects (Morrison et al., 2005; Tummers et al., 2006); and (3) a more detailed investigation of the questionnaire measurement model (COPSOQ short form) would be needed to eliminate the limitations Downloaded by [UPVA Universidad Politecnica de], [Juan A. Marin-García] at 10:56 19 July 2011 2062 J.A. Marin-Garcia et al. of some of the subscales (Roelen et al., 2008), especially role clarity and quantitative demands. One of the limitations of our research is that the sample was taken from only one Spanish region (Catalonia), so that the results cannot be extended to the whole of Spain or other countries. Another limitation is that all data were based on self-reporting; moreover, the data are cross-sectional and the temporal sequence of the relationships between the variables cannot be clearly evaluated. With this in mind, we should be cautious when interpreting the relationships as causal. It should also be said that most of these limitations are common to other papers published in this field (ter Doest & de Jonge, 2006; Noblet et al., 2005; Schyns & Croon, 2006; Tummers et al., 2006). Conclusions Job satisfaction is an important variable in all types of companies, but even more so in the service sector. Our research makes diverse contributions to the literature on the subject, amongst others: it expands upon recent research by other authors (Brown & Lam, 2008; Noblet et al., 2005; Tummers et al., 2006); it uses a sample size big enough to simultaneously include a wide number of explicative factors (10 working conditions) (Karsh et al., 2005); and it analyzes them using rigorous methodology in the form of structural equation modeling (Alves & Raposo, 2009; ter Doest & de Jonge, 2006). This provides both academics and service sector companies with a greater understanding and calibration of the effect of working conditions on job satisfaction. In this way, service companies can make better decisions when modifying the characteristics that have the greatest impact on job satisfaction. The greatest effect would be obtained by providing social support in hard times and by superiors giving recognition for work well done. Similar effects would be obtained from the general support provided by work colleagues and bosses, possibly facilitating group work. Job satisfaction could also be improved through better work organization and allowing employees to express their emotions. Finally, providing information to employees on any changes that may affect their work and their future is another important element in achieving satisfaction at work. Acknowledgements This research was supported by grant PSI2010-16270 from the Spanish Ministry of Science and Innovation. We also thank the Department of Labour of the Government of Catalonia for their permission to use the data of I-ECTC. The translation of this paper was funded by the Universidad Politécnica de Valencia, Spain. References Al Juhani, A.M., & Kishk, N.A. (2006). Job satisfaction among primary health care physicians and nurses in Al-madinah Al-munawwara. Journal of the Egyptian Public Health Association, 81, 165–180. 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